Core of bowling ball

ABSTRACT

A core of bowling ball includes a rotating disk, a center bearing, a finger hole bar and a plurality of joint pole. The center bearing is disposed on the center of the rotating disk. The finger hole bar is linked to the center bearing. The joint poles are passed through the center bearing and disposed horizontally with the finger hole bar.

BACKGROUND OF THE INVENTION 1. Field of the Invention

The invention relates to core of bowling ball, and particularly relates to a core of bowling ball with rotating disk.

2. Description of the Prior Art

Ten-pin bowling is a type of bowling in which a bowler rolls a bowling ball down wood or synthetic lane toward ten-pins positioned in a Tetractys (equilateral triangle-based pattern) at the far end of the lane. The goal of this sport is to knock down the pins. In the bowling ball, there are three holes, allowing the ball holders to insert their finger into the ball while holding the ball. The weight of the ball differs from the ball holder. Many countries held professional bowling tournaments, and about a million people around the world goes bowling.

In bowling, the most common skills are “straight”, “hook” and “flying saucer” (UFO, helicopter, spinning). The “straight” is a skill suitable for a beginner. The track of the “straight” is a straight line on the lanes, and the direction of rotation of the ball is the same as the moving direction of the ball. Next, “Hook” has batter power than “straight”. The starting trajectory of “hook” is identical as the “straight”, but the trajectory of “hook” would be shifting left when the ball closes the pins. Last, “flying saucer” is expertise to Taiwan players and invented by Taiwan pro-player. The trajectory of “flying saucer” is the same as the “straight”, but the direction of rotation of the “flying saucer” is horizontal. Thus, the “flying saucer” has batter power than “straight” and “hook”.

The “flying saucer” can increase the chance of all down by utilizing the technique of the rotation of the wrist to apply lateral force to the ball, it can make the ball rotate horizontally. When the pins contact the ball, the lateral force would knock the pins. Then, the knocked pins can knock down other pins and cause all down.

The all down made by the “flying saucer” is considered “lucky all down”, however, it is not approved internationally, especially in Korea, the “flying saucer” is prohibited to practice for pro-players. According to the study of American Bowling University, the correct knocked down must be like the domino effect, between the ball and the pins should calculate logically with certain rules and have consistency.

Although the “flying saucer” can increase the chance of all down, however it can cause sport injuries, especially the swelling of the wrist and joint, due to the non-ergonomic technique of wrist. Besides, the physiological structure is different, the Asians are easy to learn the “flying saucer”. On the contrary, Afros and Caucasians cannot use the “flying saucer”.

In summary, it is worth considering to a person having ordinary skills in the art on how to overcome the above-mentioned question. Let the player easier to use the “flying saucer” without causing sports injuries and everyone can handle “flying saucer”.

SUMMARY OF THE INVENTION

This invention provides a core of bowling ball, enable the player can use “flying saucer” with conventional skills and reduce sports injuries.

This invention provides a core of bowling ball. The core of the bowling ball includes a rotating disk, a center bearing, a finger hole bar and a plurality of joint pole. The center bearing is disposed on the center of the rotating disk. The finger hole bar is linked to the center bearing. The joint poles are passed through the center bearing and disposed of horizontally with the finger hole bar.

In the above-mentioned, wherein, the core of the bowling ball is covered in the sphere and one end of finger hole bar is flushed with the surface of the ball.

In the above core of the bowling ball, wherein, the center bearing and the finger hole bar is disposed on the center axis of the ball.

In the above core of the bowling ball, wherein, a finger hole of the finger hole bar is disposed of on the center axis of the ball.

In the above core of the bowling ball, wherein, the joint pole is passed through the ball.

In the above core of the bowling ball, wherein, the rotating disk further comprises a plurality of gasket disposed between the ball and the rotating disk, and the joint pole are passed through the gasket.

In the above core of the bowling ball, wherein, all components of the core of bowling ball are non-metallic materials.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1A shows an exploded view of the core of bowling ball of the instant application.

FIG. 1B shows a schematic diagram of the rotating disk.

FIG. 1C shows side view of the core of the bowling ball.

FIG. 2 shows bowling rolling schematic diagram.

DESCRIPTION OF THE INVENTION

This invention could easily apply the “flying saucer” though a core of bowling ball with a rotating disk that transforms the vertical force into horizontal force.

Please refer to FIG. 1A. FIG. 1A shows an exploded view of the core of bowling ball of the instant application. The core of bowling ball 100 is covered on a ball 10. The core of bowling ball 100 includes a rotating disk 130, a center bearing 120, a finger hole bar 110 and a plurality of joint pole 140. The center bearing 120 is disposed on the center of the rotating disk 130. The finger hole bar 110 is linked to the center bearing 120. The joint poles 140 are passed through the center bearing 120 and contacted with a bottom bearing 150 of bottom of the ball 10. In other word, the rotating disk 130 is linked to the outside of the center bearing 120. The finger hole bar 110 is embedded into the inside of the center bearing 120. Thus, the rotating disk 130 and finger hole bar 110 can rotate respectively and freely. In this embodiment, the finger hole bar 110 and center bearing 120 are disposed on the center axis of the ball 10. The one end of the finger hole bar 110 is flushed with surface of ball 10. The finger hole bar 110 further includes a finger hole 11. The finger hole 11 is disposed in the surface of ball 10. Further explanation, the location of the finger hole 11 must be disposed on the center axis of the ball 10.

The joint pole 140 are passed through the rotating disk 130 and disposed on the radial direction of the rotating disk 130. The long side of the joint pole 140 is vertical with the radial direction of the rotating disk 130. Please refer to FIG. 1B. FIG. 1B shows a schematic diagram of the rotating disk. The rotating disk 130 further includes a plurality of gasket 132 and joint pole bearing 131. The joint pole bearing 131 are disposed between the joint pole 140 and the rotating disk 130. The joint pole bearing 131 is disposed on the location where the joint pole 140 penetrates the rotating disk 130. The gasket 132 disposed between the rotating disk 130 and ball 10, and the joint pole 140 is passed through the gasket 132.

Please refer to FIG. 1C. FIG. 1C shows side view of the core of the bowling ball. The length of the joint pole 140 is enough to link to the ball 10. Thus, when the rotating disk 130 rotates, the rotating disk 130 can make the ball 10 to rotate via the joint pole 140. The joint pole 140 is disposed vertically with rotating disk 130. Therefore, when the rotating disk 130 drives the ball 10, the torque of the ball 10 can be promoted. In addition, all components of the ball 10 and the core of ball 10 are non-metallic materials to compliant with international bowling regulations. In some embodiment, components of the ball 10 and the core of bowling ball 100 are made by Polyurethane or Ultra High Molecular Weight Polyethylene (UPE). It also can be made by materials mixed by cork and reinforced rubber, and the outside is covered by hard rubber, plastic or glass fiber.

In addition, in some embodiment, the core of bowling ball 100 further includes a bottom bearing 150. The bottom bearing 150 is disposed on relative position of the finger hole 11, which is the bottom of the ball 10. The core of bowling ball 100 is disposed in the ball 10. The rotating of the finger hole bar 110 can be more stable because the bottom bearing 150 is disposed on the bottom of the ball 10.

Please refer to FIG. 2. FIG. 2 shows bowling rolling schematic diagram. When the player pitch via the finger hole 11, the ball 10 will roll towards direction 21. At this time, because of the center bearing 120 is disposed between the rotation disk 130 and the finger hole bar 110, the rotation disk 130 would be affected to rotate by the kinetic energy of pitching. The center bearing 120 provides tiny resistance, so the rotation disk 130 would rotate towards direction 22 substantially. Next, the rotation of the rotation disk 130 would transmit the kinetic energy of direction 22 to the ball 10 via joint pole 140. Therefore, the ball 10 would also rotate towards direction 22, and the “flying saucer” is produced.

Therefore, the player pitches “flying saucer” with normal technique without using the special technique on the wrist. Besides, the core of bowling ball 100 is a central component in the bowling ball. The ball 10 can be manufactured by a normal method (E. g resin infusion) with the core of bowling ball 100.

According to Newton's first law, the objects in motion always keep constant velocity linear motion, the stationary object always keep stationary. In the instant application, the kinetic energy of vertical roll produced by pitching can be transformed into kinetic energy of horizontal roll, and the ball 10 can keep linear movement. The player just normally pitches the bowling ball then the “flying saucer” is produced, no longer needed special technique on the wrist. Moreover, the “flying saucer” would not be limited by Physiological Structure and Ergonomics. Everyone can use and enjoy the “flying saucer” with the core of bowling ball 100 of the instant application. It also can reduce sports injuries of the “flying saucer” and increase the entertainment of the bowling ball.

Those skilled in the art will readily observe that numerous modifications and alternatives of the device and method may be made while retaining the teachings of the invention. Accordingly, the above disclosure should be construed as limited only by the meters and bounds of the appended claims. 

I claim:
 1. A core of bowling ball comprises: a rotating disk; a center bearing, disposed on the center of the rotating disk; a finger hole bar, linked to the center bearing; and a plurality of joint pole passed through the center bearing and disposed horizontally with the finger hole bar.
 2. The core of bowling ball of claim 1, wherein, the core of bowling ball is covered in the ball and one end of finger hole bar is flushed with surface of ball.
 3. The core of bowling ball of claim 2, wherein, the center bearing, and the finger hole bar are disposed on the center axis of the ball.
 4. The core of bowling ball of claim 2, wherein, a finger hole of the finger hole bar is disposed on the center axis of the ball.
 5. The core of bowling ball of claim 2, wherein, the joint pole is passed through the ball.
 6. The core of bowling ball of claim 1, wherein, further comprises a plurality of joint pole bearing disposed between the joint pole and the rotating disk.
 7. The core of bowling ball of claim 2, wherein, the rotating disk further comprises a plurality of gasket disposed between the ball and the rotating disk, and the joint pole are passed through the gasket. 